Soc:14 The Muscular System

Question 1

What muscle is muscle is triangular and at the top of the shoulder?

Answer 1

Deltoid

Question 2

At what area is the pectoralis major?

Answer 2

Upper torso (chest)

Question 3

Give one sporting example of when the latissimus dorsi is used?

Answer 3

Butterfly stroke in swimming.

Question 4

What is the function of the bicep?

Answer 4

Flex the arm at the elbow.

Question 5

What is the function of the tricep?

Answer 5

Extend the arm at the elbow.

Question 6

Where are the external obliques located on the body?

Answer 6

Next to the abs.

Question 7

What is the function of the gluteals?

Answer 7

Adduct and extend the leg at the hips, pull the leg backwards.

Question 8

Give one sporting example of you use hip flexors in sport or training?

Answer 8

Doing high knees as part of a warm-up for football.

Question 9

Where are the quadriceps?

Answer 9

Four muscles found on the front of the upper leg.

Question 10

What is the function of the hamstring?

Answer 10

Flex the leg at the knee

Question 11

Where is the gastrocnemius located on the body?

Answer 11

Lower leg, starts at back of femur and ends at back of ankle.

Question 12

Give one example of when the tibialis anterior is used in sport or training?

Answer 12

Ski jumping.

Question 13

Muscle fibres

Answer 13

Make up voluntary (skeletal) muscle; divided into type 1, type lla and type llx.

Question 14

What are type 1 muscle fibres?

Answer 14

Slow twitch muscle fibres ; suited to low intensity work,e.g, marathon running, as they can be used for a long period of time without fatiguing.

Question 15

What are type lla muscle fibres ?

Answer 15

Fast twitch muscle fibres used in anaerobic work; can be improved through endurance training to increase their resistance to fatigue.

Question 16

What are type llx muscle fibres ?

Answer 16

Fast twitch muscle fibres used in anaerobic work and can generate much greater force than other fibre types, but fatigue quickly.

Question 17

Define the term ‘Myoglobin’ ?

Answer 17

A red pigment that transports oxygen to the muscles.

Question 18

Deltoid location and function?

Answer 18

Located on the top of the shoulder. Move the arm in all directions at the shoulder.

Question 19

Pectoralis major location and function?

Answer 19

Covering the chest. Adduct the arm at the shoulder.

Question 20

Latissimus dorsi location and function?

Answer 20

Sheet of muscle from lower spine up to deltoid. Adduct and extend the arm at the shoulder.

Question 21

Biceps location and function?

Answer 21

Front of the upper arm. Flex the arm at the elbow.

Question 22

Triceps location and function?

Answer 22

Back of upper arm. Extend the arm at the elbow.

Question 23

External obliques location and function?

Answer 23

Located from the lower half of ribs down to the pelvis. Pull the chest downwards; flex and rotate the spinal column; one side contacting creates a bend.

Question 24

Gluteals location and function?

Answer 24

Forms the buttox. Attached to femur bone. Adduct and extend leg at the hips, pull the leg backwards.

Question 25

Hip flexors location and function?

Answer 25

In front of hip- connects the leg pelvis and abdomen. Flex the hip, help move the leg and knee up towards the body.

Question 26

Quadriceps location and function?

Answer 26

Four muscles found on the front of the upper leg. Extend the leg at the knee.

Question 27

Hamstrings location and function?

Answer 27

Found on the back of the leg, stretching from the bottom part of the pelvis to the tibia.

Question 28

Gastrocnemius location and function?

Answer 28

Starts at femur and comes together to form the achilles at the soleus muscle. Point the toes, help flex the knee.

Question 29

Tibialis Anterior location and function?

Answer 29

Runs down the shin. Pull the toes up towards the shin.